A white crystalline salt used to de-ice roads and as a drying agent.
- Chem formula: CaCl2
- With calcium carbonate, neutralization of acid involves the formation of calcium chloride, carbon dioxide, and water.
- Normal de-icing chemicals are based on sodium chloride, calcium chloride, or urea, which do not have any adverse chemical effect on concrete.
- The second case study, a residential concrete sidewalk, deals with slightly different entrained air-void systems and the effects of sodium and calcium chloride de-icing chemicals.
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